EP0366346B1 - Optischer Stecker - Google Patents

Optischer Stecker Download PDF

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Publication number
EP0366346B1
EP0366346B1 EP89310700A EP89310700A EP0366346B1 EP 0366346 B1 EP0366346 B1 EP 0366346B1 EP 89310700 A EP89310700 A EP 89310700A EP 89310700 A EP89310700 A EP 89310700A EP 0366346 B1 EP0366346 B1 EP 0366346B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
barrel
ferrule
collar
rearward
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89310700A
Other languages
English (en)
French (fr)
Other versions
EP0366346A3 (de
EP0366346A2 (de
Inventor
Roger Lynn Hinckley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AT&T Corp filed Critical AT&T Corp
Publication of EP0366346A2 publication Critical patent/EP0366346A2/de
Publication of EP0366346A3 publication Critical patent/EP0366346A3/de
Application granted granted Critical
Publication of EP0366346B1 publication Critical patent/EP0366346B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3898—Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping

Definitions

  • This invention relates to optical fiber connectors.
  • Optical connectors are necessary throughout lightwave systems wherever it is desired to optically couple two or more fibers together.
  • Typical connectors employ a glass ferrule in which the fibers are situated.
  • the ferrules are inserted within opposite ends of a sleeve so that the ferrules, and therefore the fibers, are aligned.
  • the ferrule is locked into the sleeve by means of rotating the ferrule until a tab on the sleeve is engaged by a collar mounted around the ferrule (See, for example, U.S. Patent 4,738,508 issued to Palmquist).
  • Other types of connectors employ a latching mechanism to lock the ferrule into the sleeve (See, e.g. U.S.
  • Patent 4,240,695 issued to Evans
  • U.S. Patent 4,327,964 issued to Haesly
  • U.S. Patent 4,611,887 issued to Glover
  • Latching mechanisms have also been proposed for male-female optical connector configurations (See, e.g. U.S. Patent 4,225,214 issued to Hodge et al).
  • U.S.-A-4,268,115 describes an optical fiber connector comprising a ferrule for receiving an optical fiber, the ferrule having a forward and a rearward end, and a sleeve for receiving the ferrule therein at one end, the surface of the sleeve including at least one hole at said one end.
  • an optical fiber connector comprising a ferrule adapted for insertion of at least one optical fiber therein.
  • the ferrule has a forward end and a rearward end.
  • a sleeve is adapted to receive the ferrule therein at one end so that the forward end of the ferrule is aligned with another ferrule inserted in the opposite end of the sleeve.
  • the surface of the sleeve includes at least one hole at each end.
  • the connector further includes a collar mounted near the rearward end of the ferrule and including at least one locking tab adapted to engage said hole in the sleeve so that the ferrule is secured within the sleeve.
  • the basic components of the connector in accordance with one embodiment are illustrated in the perspective view of FIG. 1, the cross-sectional view of FIG. 2, which is rotated approximately 90 degrees with respect to the view of FIG. 1 for illustrative purposes, and the partly cutaway view of FIG. 3.
  • the sleeve 10 is cylindrical with open ends 11 and 12 for receiving fiber "plugs" 13 and 14 therein.
  • the sleeve is typically mounted within a panel (not shown) along with other connections so that the ends 11 and 12 protrude from opposite surfaces of the panel.
  • Each end of the sleeve includes an alignment groove 15 and 16 and a pair of opposed locking holes (17, 18 and 19, 20 respectively).
  • the sleeve also includes an insert, 21 of FIG.
  • the forward portion of the plug includes a ferrule 22, typically made of glass, which has a bare optical fiber, 23 of FIG. 3, inserted therein.
  • the ferrule is mounted within a barrel member 24 which is essentially cylindrical but includes a larger outer diameter section at the forward portion and a smaller diameter section at the rearward portion.
  • the larger diameter section houses the ferrule and also includes an alignment tab 25 adapted for insertion in the slit 16 at the end of the sleeve.
  • the inner portion of the smaller diameter section includes a tapered cavity, 32, which houses the fiber and its protective jacket, 33 (See FIG. 3).
  • the barrel is typically made of polycarbonate.
  • Mounted over the outer surface of the smaller diameter section is a spring element, 26.
  • a substantially cylindrical locking collar, 28, or spring like tube member is mounted over the rearward portion of the smaller diameter section of the barrel with the spring situated between it and the larger diameter section of the barrel.
  • a slit 29 in the collar engages a strip 27 formed on the outer surface of the smaller diameter section of the barrel so that the collar is aligned with the tab 25.
  • the collar which is typically made of reinforced flexible polycarbonate material, includes a pair of opposing tabs 35, 36 on its rearward surface portion.
  • the jacketed fiber extends out of the rearward portion of the barrel as shown.
  • a strain relief member 31 can be provided at this portion by slipping the relief member over the rearward portion of the barrel behind the collar.
  • FIG. 2 illustrates in a cross-sectional view the insertion of both plugs 13 and 14 in the sleeve 10.
  • plug 14 for example, tab 25 is inserted in slot 16 (FIG. 1) so that the ferrule 22 is introduced into member 21. This aligns the fiber (23 of FIG. 3) in plug 14 with the fiber of plug 13.
  • the pressure on the collar, 28, causes spring 26 to contract. Pressure is applied to collar 28 until the two tabs, 35 and 36, engage the holes 19 and 20 in the sleeve. At this point, the plug is locked into the sleeve. To remove the plug, the tabs 35 and 36 are depressed so they no longer make contact with the walls of the holes 19 and 20. The spring 26 will then force the plug out sufficiently so that the tabs clear the area of the holes and the plug can then be completely removed.
  • plug 13 is shown in the unlocked position.
  • a simple tool such as is illustrated in FIG. 4, can be utilized for insertion and removal of the plugs to eliminate the need for grasping the connector in the area of the sleeve.
  • the tool includes a handle 41 with one end, 42 adapted for insertion of the plug and the opposite end, 43, adapted for removal of the plug.
  • the handle is essentially a hollow cylinder with longitudinal slits of different sizes on both ends.
  • the insertion portion, 42 is also a hollow cylinder with a slit but with a smaller outer diameter than the handle. The smaller outer diameter essentially matches the outer diameter of the collar 28.
  • the inner diameter of insertion portion 42 is sufficient so that the tool can be inserted over the rearward section of the barrel 24 and over the strain relief member 31. The insertion portion, therefore, provides a force to the collar until the tabs of the collar engage the holes 19 and 20 of the sleeve.
  • the opposite portion, 43, of the handle is adapted for removal of the plug.
  • a slidably mounted element, 44, is inserted into this end of the handle.
  • the sliding member includes a slit for insertion over the barrel and fiber, and the inner diameter of the sliding member is sufficient to fit over the sleeve 10.
  • the sliding member includes on its outer surface a pair of opposing hammers, 45 and 46, which protrude beyond the outer diameter of the sliding member. Included in the inner surface of the sliding member is a guide member 47 and a pair of stops, 48 and 49.
  • the guide member 47 aligns with the slit 16 in the sleeve and the stops make contact with the sleeve 10 when this end of the tool is inserted over the sleeve 10.
  • the hammers are positioned over the holes 19 and 20 of the sleeves. Further longitudinal pressure on the handle causes the member 44 to slide with respect to handle 41. When the edge of the handle reaches the ends of the hammers, the hammers will be depressed into the holes 19 and 20 in the sleeve to make contact with and release the tabs 35 and 36 of the locking collar. Pulling on the tool causes the sliding member to slide in the opposite direction to disengage the hammers from the holes. The tool and the plug can then be removed.
  • the locking holes can be round, rather than rectangular as shown, with the locking tabs having rounded rear edges.
  • the invention is shown for connecting two fibers together, it is also applicable to connecting a fiber to a light emitting device or photodetector where such a device is situated at one end of the sleeve. All such variations which basically rely on the teaching through which the invention has advanced the art are properly considered within the scope of the invention.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Claims (7)

  1. Optischer Faserverbinder für ein eng gepacktes, hochdichtes Feld von Verbindern, wobei der Verbinder umfaßt:
    eine Ring-Aufnahme (22) zum Aufnehmen wenigstens einer optischen Faser (23) in dieser, wobei die Ring-Aufnahme ein vorderseitiges und ein rückseitiges Ende hat, und
    eine Hülse (10), in der die Ring-Aufnahme an einem Ende (12) aufgenommen werden kann, wobei die Oberfläche der Hülse wenigstens eine Öffnung (19) an dem einen Ende enthält,
    dadurch gekennzeichnet,
    daß die Ring-Aufnahme in einem vorderen Abschnitt eines zylindrischen Elements (24) befestigt ist, wobei das zylindrische Element im wesentlichen zylindrisch ist und der vordere Abschnitt einen Anteil mit relativ größerem äußerem Durchmesser und der rückwärtige Abschnitt einen Anteil mit relativ kleinerem äußerem Durchmesser umfaßt, und
    wobei ein federartiges Röhrenelement (28) oder Kragen von im wesentlichen dem gleichen Durchmesser wie der größere äußere Durchmesser nahe dem rückseitigen Ende des zylindrischen Elements befestigt ist und wenigstens einen nach außen vorstehenden Verriegelungsvorsprung (35) umfaßt, der mit der Öffnung in der Hülse beim Einfügen so in Eingriff geraten kann, daß das zylindrische Element innerhalb der Hülse verrastet ist, wobei das zylindrische Element von der Hülse mit Hilfe eines röhrenförmigen Werkzeugs entfernt werden kann, welches von hinten über das zylindrische Element und die Hülse gleiten kann, wobei das zylindrische Werkzeug eine Einrichtung für das Eingreifen und Drücken des Verriegelungsvorsprungs nach innen so aufweist, daß das zylindrische Element mit der Hülse außer Eingriff geraten kann und durch eine Rückwärtskraft in Längsrichtung aus der Hülse entfernt werden kann.
  2. Einrichtung nach Anspruch 1,
    in welcher die Hülse ein Paar von Öffnungen (19, 20) an diametral entgegengesetzten Anteilen der Oberfläche der Hülse umfaßt und das Röhrenelement ein Paar von Verriegelungsvorsprüngen (35, 36) umfaßt, welche mit den Öffnungen in Eingriff geraten können.
  3. Einrichtung nach Anspruch 4,
    ferner umfassend eine Schraubenfeder (26) um das zylindrische Element zwischen dem Abschnitt mit größerem Durchmesser und dem Kragen.
  4. Einrichtung nach Anspruch 4,
    in welcher der Anteil des Abschnitts mit kleinerem Durchmesser einen erhöhten Ausrichtungsstreifen (27) umfaßt und der Kragen im wesentlichen zylindrisch ist mit einem Schlitz (29), der mit dem Ausrichtungsstreifen in Eingriff geraten kann.
  5. Einrichtung nach Anspruch 4,
    in welcher die Hülse einen Ausrichtungsschlitz (16) an dem einen Ende enthält und der Abschnitt mit größerem Durchmesser des zylindrischen Elementes einen Ausrichtungsvorsprung (25) umfaßt, der in den Schlitz eingefügt werden kann.
  6. Einrichtung nach Anspruch 1,
    in welcher die Extremitäten des Vorsprungs innerhalb der äußeren Oberfläche der Hülse liegen, wenn diese mit den Öffnungen in Eingriff stehen.
  7. Einrichtung nach Anspruch 1,
    in welcher die Hülse ein Ende (11) gegenüber dem Ende (12) enthält, um eine weitere Aufnahme darin aufzunehmen, welche zu der Aufnahme justiert ist.
EP89310700A 1988-10-28 1989-10-18 Optischer Stecker Expired - Lifetime EP0366346B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US263744 1988-10-28
US07/263,744 US4898446A (en) 1988-10-28 1988-10-28 Optical fiber connector

Publications (3)

Publication Number Publication Date
EP0366346A2 EP0366346A2 (de) 1990-05-02
EP0366346A3 EP0366346A3 (de) 1991-07-24
EP0366346B1 true EP0366346B1 (de) 1994-12-28

Family

ID=23003062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89310700A Expired - Lifetime EP0366346B1 (de) 1988-10-28 1989-10-18 Optischer Stecker

Country Status (7)

Country Link
US (1) US4898446A (de)
EP (1) EP0366346B1 (de)
JP (1) JP2866119B2 (de)
KR (1) KR0143080B1 (de)
CA (1) CA1329026C (de)
DE (1) DE68920272T2 (de)
DK (1) DK170941B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2662269A1 (fr) * 1990-05-18 1991-11-22 Thomson Video Equip Systeme de connexion optique et son utilisation a la transmission de signaux video.
CH680312A5 (en) * 1990-06-08 1992-07-31 Diamond Sa Plug connector for light wave guides - with ends of guides joined in pin which is inserted into socket to protect from pollution
US6318905B1 (en) 1998-12-24 2001-11-20 Radiall Optical connector element having a one-piece body
US6533468B2 (en) 1996-07-15 2003-03-18 Seiko Instruments Inc. Universal optical fiber connectors and basic plugs thereof
WO2004008212A1 (en) * 2002-07-16 2004-01-22 Tyco Electronics Raychem Nv Optical fibre connector assembly tool
US6705766B2 (en) 2002-01-24 2004-03-16 Fci Easy-to-mount optical connector system

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US5157749A (en) * 1984-06-08 1992-10-20 Amp Incorporated High precision optical fiber connectors
US4961624A (en) * 1989-08-29 1990-10-09 Amp Incorporated Optical fiber termination with crimping body
US5040867A (en) * 1990-03-21 1991-08-20 Siecor Corporation Slide fit optical connector having end cap to prevent rotation
US5113462A (en) * 1990-06-01 1992-05-12 Candela Laser Corporation High energy fiber optica coupler
US5029973A (en) * 1990-06-04 1991-07-09 Xintec Corporation Bayonet connector with optical, electrical or fluid uses
US5074637A (en) * 1990-06-04 1991-12-24 Xintec Corporation Optical fiber connector
FR2663755B1 (fr) * 1990-06-21 1992-09-18 Radiall Sa Connecteur pour fibres optiques a verrouillage et deverrouillage rapides.
US5082345A (en) * 1990-08-13 1992-01-21 At&T Bell Laboratories Optical fiber connecting device including attenuator
US5119455A (en) * 1990-11-09 1992-06-02 General Motors Corporation Fiber optic wall plate connector system
US5101463A (en) * 1991-05-03 1992-03-31 Minnesota Mining And Manufacturing Company Push-pull optical fiber connector
US5276752A (en) * 1992-07-29 1994-01-04 Molex Incorporated Fiber optic connector system
US5363459A (en) * 1993-01-15 1994-11-08 The Whitaker Corporation Optical fiber connector including a biasing means in housing
US5321784A (en) * 1993-02-18 1994-06-14 Minnesota Mining And Manufacturing Company Pull-proof, modular fiber optic connector system
US5724466A (en) * 1995-11-16 1998-03-03 Raytheon E-Systems Ruggedized blind mating connector for optical fibers
US5633963A (en) * 1995-12-12 1997-05-27 Raytheon Company Optical rotary joint for single and multimode fibers
WO2000005610A1 (en) * 1997-07-25 2000-02-03 Raytheon Company Fiber optic connector
JP4037538B2 (ja) * 1998-09-21 2008-01-23 オリンパス株式会社 光イメージング装置
US6357933B1 (en) 1999-03-30 2002-03-19 Lucent Technologies Inc. Quick connect optical fiber ferrule connector
US6234683B1 (en) * 1999-09-13 2001-05-22 Stratos Lightwave, Inc. Field repairable hermaphroditic connector
US6398423B1 (en) 1999-12-15 2002-06-04 Itt Manufacturing Enterprises, Inc. Optic fiber retaining system
US6932517B2 (en) * 2000-10-27 2005-08-23 Ethicon Endo-Surgery, Inc. Connector incorporating a contact pad surface on a plane parallel to a longitudinal axis
FR2819894B1 (fr) * 2001-01-25 2003-05-23 Fci France Systeme de connecteurs optiques a montage aise
US7255485B2 (en) * 2002-06-06 2007-08-14 Huber+Suhner Ag Optical plug-in connection
CN100350285C (zh) 2002-07-16 2007-11-21 泰科电子雷伊化学有限公司 用于劈裂光学纤维的装置
US7011454B2 (en) * 2003-08-25 2006-03-14 Panduit Corp. Reversible fiber optic stub fiber connector
WO2008023741A1 (en) * 2006-08-24 2008-02-28 Terumo Kabushiki Kaisha Coupling device, auxiliary device and adaptor fixing member
CN102066998B (zh) * 2008-06-20 2014-04-16 泰尔茂株式会社 连接装置及光成像装置
JP5439319B2 (ja) 2010-09-06 2014-03-12 株式会社フジクラ 光コネクタおよび光コネクタの挿抜方法
FR2998662B1 (fr) * 2012-11-23 2019-10-25 Airbus Operations Dispositif de mesure de deformation et implantation d'un tel dispositif dans un element
WO2015016897A1 (en) * 2013-07-31 2015-02-05 Corning Optical Communications LLC Fiber optic connector with front-loading ferrule holder
FR3088734B1 (fr) * 2018-11-21 2021-07-30 Zodiac Aerosafety Systems Connecteur de raccordement hermetique reparable pour fibres optiques

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US4268115A (en) * 1979-06-01 1981-05-19 Tetra-Tech, Inc. Quick-release fiber-optic connector
GB2086602A (en) * 1980-11-04 1982-05-12 Cannon Electric Great Britain Fibre optic connector

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US4178068A (en) * 1977-11-14 1979-12-11 Amp Incorporated Fiber optic cable termination means
US4268115A (en) * 1979-06-01 1981-05-19 Tetra-Tech, Inc. Quick-release fiber-optic connector
GB2086602A (en) * 1980-11-04 1982-05-12 Cannon Electric Great Britain Fibre optic connector

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2662269A1 (fr) * 1990-05-18 1991-11-22 Thomson Video Equip Systeme de connexion optique et son utilisation a la transmission de signaux video.
WO1991018309A1 (fr) * 1990-05-18 1991-11-28 Thomson Video Equipement Systeme de connexion optique et son utilisation a la transmission de signaux video
US5228104A (en) * 1990-05-18 1993-07-13 Thomson Broadcast Optical connection system and its use in the transmission of video signals
CH680312A5 (en) * 1990-06-08 1992-07-31 Diamond Sa Plug connector for light wave guides - with ends of guides joined in pin which is inserted into socket to protect from pollution
US6533468B2 (en) 1996-07-15 2003-03-18 Seiko Instruments Inc. Universal optical fiber connectors and basic plugs thereof
US6318905B1 (en) 1998-12-24 2001-11-20 Radiall Optical connector element having a one-piece body
US6705766B2 (en) 2002-01-24 2004-03-16 Fci Easy-to-mount optical connector system
WO2004008212A1 (en) * 2002-07-16 2004-01-22 Tyco Electronics Raychem Nv Optical fibre connector assembly tool

Also Published As

Publication number Publication date
DK170941B1 (da) 1996-03-18
EP0366346A3 (de) 1991-07-24
KR900006802A (ko) 1990-05-08
JP2866119B2 (ja) 1999-03-08
CA1329026C (en) 1994-05-03
EP0366346A2 (de) 1990-05-02
DE68920272D1 (de) 1995-02-09
DE68920272T2 (de) 1995-05-18
US4898446A (en) 1990-02-06
DK535089D0 (da) 1989-10-27
DK535089A (da) 1990-04-29
KR0143080B1 (ko) 1998-10-01
JPH02171708A (ja) 1990-07-03

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